"""
f = open('1.txt','r',encoding='utf-8')
# print(f.read())
print(f.readlines())
f.close()
"""

# with open('1.txt','r',encoding='utf-8') as f:
#     print(f.read())


#覆盖写入
# with open('1.txt','w',encoding='utf-8') as f:
#     f.write("张三\n李四\n王五\n")

# with open('1.txt','a',encoding='utf-8') as f:
#     f.write("yhn\nyhn\n")

# with open('1.txt','r',encoding='utf-8') as f:
#     all_data = f.read()
#     all_data = all_data.replace('yhn','yhn1')
# with open('1.txt','w',encoding='utf-8')as f:
#     f.write(all_data)


















